Plant biostimulants - Determination of dry matter

This European Standard specifies the procedure for the determination and calculation of the dry matter fraction of plant biostimulants for which the results of performed analysis are to be calculated to the dry matter basis.
This European Standard is also applicable to the blends of fertilizing products where plant biostimulants are the main part of the blend. Otherwise, the Technical Specification for the main part of the blend apply.

Pflanzen-Biostimulanzien - Bestimmung der Trockenmasse

Dieses Dokument legt das Verfahren zur Bestimmung und Berechnung des Trockenmassenanteils von Pflanzen-Biostimulanzien fest, für die die Ergebnisse der durchgeführten Analyse bezogen auf die Trocken¬masse zu berechnen sind.
Dieses Dokument ist für Düngeproduktmischungen anwendbar, die zur PFC 7 gehören und bei denen das in der Mischung enthaltene EU Düngeprodukt Pflanzen-Biostimulans den größten Massenanteil in % in der Mischung ausmacht. Im Fall von gleich großen Anteilen kann der Anwender entweder die vorliegende Norm oder die für den/die anderen Bestandteil(e) anwendbare(n) Norm(en) verwenden.

Biostimulants des végétaux - Détermination de la matière sèche

Le présent document spécifie le mode opératoire pour la détermination et le calcul de la fraction de matière sèche de biostimulants des végétaux pour lesquels les résultats des analyses menées doivent être calculés sur la base de la matière sèche.
Le présent document est applicable aux mélanges de fertilisants appartenant à la catégorie PFC 7, dans lesquels le fertilisant UE biostimulant des végétaux contenu dans le mélange représente le plus fort % en masse du mélange. Dans le cas où les proportions sont égales, l’utilisateur peut appliquer la présente norme ou la ou les normes applicables aux autres produits constituants.

Rastlinski biostimulanti - Določanje suhe snovi

General Information

Not Published
Public Enquiry End Date
Technical Committee
Current Stage
4020 - Public enquire (PE) (Adopted Project)
Start Date
Due Date
Completion Date


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Standards Content (Sample)

oSIST prEN 17704:2023
Rastlinski biostimulanti - Določevanje suhe snovi
Plant biostimulants - Determination of dry matter
Pflanzen-Biostimulanzien - Bestimmung der Trockenmasse
Biostimulants des végétaux - Détermination de la matière sèche
Ta slovenski standard je istoveten z: prEN 17704
65.080 Gnojila Fertilizers
oSIST prEN 17704:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 17704:2023

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oSIST prEN 17704:2023

prEN 17704


March 2023
ICS 65.080 Will supersede CEN/TS 17704:2022
English Version

Plant biostimulants - Determination of dry matter
Biostimulants des végétaux - Détermination de la Pflanzen-Biostimulanzien - Bestimmung der
matière sèche Trockenmasse
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 455.

If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.



CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17704:2023 E
worldwide for CEN national Members.

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oSIST prEN 17704:2023
prEN 17704:2023 (E)
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Principle . 5
5 Sampling and sample preparation . 5
6 Interferences . 5
7 Reagents . 5
8 Apparatus . 6
9 Procedure . 6
9.1 Procedure A . 6
9.2 Procedure B . 6
9.3 Procedure A and B .

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